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Drug action can be prolonged by
A drug that is highly effective in treating many types of infection can,at present,be obtained only from the bark of the ibora , a tree that is quite rare in the wild. It takes the bark of 5000 trees to make one kilogram of the drug. It follows, therefore, that continued production of the drug must inevitably lead to the ibore's extinction. Which of the following,if true, most seriously weakens the arguments above ?
Factors that may shorten the duration of action of a drug are
The duration of action of a drug is shortened by:
The duration of a drug-effect can be shortened by
Prolonged standing of whole blood after collection can
Prolonged hyperventilation is associated with lowering of
Bleeding time is prolonged in